Core Viewpoint - PyroGenesis Inc. will host a conference call on November 12, 2025, to discuss its financial results for Q3 2025 and provide updates on company progress and developments [1] Group 1: Company Overview - PyroGenesis is a leader in ultra-high temperature processes and plasma-based technology, serving heavy industry and defense sectors [1][3] - The company has over 30 years of experience in plasma technology, providing advanced engineering solutions for various challenges in energy, propulsion, emissions, and materials development [3] - PyroGenesis operates from its headquarters in Montreal and has local manufacturing facilities, with a workforce of engineers, scientists, and technicians focused on innovation and commercialization [3] Group 2: Financial Communication - The conference call will take place at 11:00 AM Eastern Time, and participants must pre-register to access the call [2] - A live webcast will be available for both English and French users, with recordings accessible on the company's Investor Relations website following the call [2]

Core Viewpoint - PyroGenesis Inc. is amending up to 1,581,250 common share purchase warrants, reducing the exercise price from $1.20 to $0.63 and extending the expiration date to July 17, 2026 [1][2]. Group 1: Warrant Amendments - The exercise price of the Warrants will be reduced to $0.63 per share, effective from November 3, 2025 [2]. - The expiration date of the Warrants will be extended to July 17, 2026 [2]. - If the closing price of the Common Shares exceeds $0.80 for three consecutive trading days, the company can accelerate the expiry date of the Warrants [2]. Group 2: Approval and Use of Proceeds - The amendments to the Warrants have received approval from the Toronto Stock Exchange (TSX) [3]. - The net proceeds from the exercise of the Warrants will be utilized for general corporate purposes [3]. Group 3: Company Overview - PyroGenesis leverages 30 years of plasma technology expertise to provide advanced engineering solutions across various industries, including energy, defense, and heavy industry [4]. - The company serves global leaders in sectors such as aluminum, aerospace, steel, and military [4]. - PyroGenesis operates from its headquarters in Montreal and maintains ISO 9001:2015 and AS9100D certifications [4].